General Electric Company

Sabic Innovative Plastics IP B.v.

Sabic Global Technolgoies B.v.

Dennis Karlik

James Anthony Cella

Hans-Peter Brack

Hans Peter Brack

Theodorus L Hoeks

Edward Kung

John Morgan Whitney

Lina Prada

Daniel Joseph Brunelle

Sterling B Brown

Tomoaki Shimoda

Jan Henk Kamps

Johannes Martinus Dina Goossens

Jan Pleun Lens

Irene Dris

Hendrik Verhoogt

Takato Kimura

Mingcheng Guo

David Zou

Mark Van Der Mee

Akio Ikeda

Roy l'Abee

Frans Mercx

Patrick Joseph McCloskey

John Patrick Lemmon

Paul Michael Smigelski, Jr

Jan-Pleun Lens

Jon Michael Malinoski

Daniel Francis Lowery

Franciscus Petrus Maria Mercx

Michael Teruki Takemori

Dennis James Patrick Maria Willemse

Geert Boven

Bernd Jansen

Hendricus Franciscus Zirkzee

Xiangping David Zou

Josef Gerardus Berndsen

Gerardo Hidalgo Llinas

Sjef Berndsen

Ken Tamada

Sriramakrishna Maruvuda

Willem Lodewijk Sederel

Akira Hatano

Ken Kuriki

Theodorus Lambertus Hoeks

Roy I'ABEE

Sterling Bruce Brown

Disclosed herein are compositions comprising a. from 35 to 80 vol % of a thermoplastic polymer; b. from 5 to 45 vol % of a thermally insulative filler with an intrinsic thermal conductivity less than or equal to 10 W/mK; and c. from 5 to 15 vol % of a thermally conductive filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK, wherein the composition is characterized by: i. a thermal conductivity of at least 1.0 W/mK; ii. a thermal conductivity of at least 7 times the total filler volume fraction times the thermal conductivity of the pure thermoplastic polymer; and iii. a volume resistivity of at least 10Ohm&#xb7;cm. Also disclosed are articles and methods of use therefor.

Thermally conductive and electrically insulative polymer compositions containing a thermally insulative filler and uses thereof

Disclosed herein are compositions comprising a. from 35 to 80 vol % of a thermoplastic polymer; b. from 5 to 45 vol % of a low thermally conductive, electrically insulative filler with an intrinsic thermal conductivity of from 10 to 30 W/mK; c. from 5 to 15 vol % of a high thermally conductive, electrically insulative filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK; and d. from 5 to 15 vol % of a high thermally conductive, electrically conductive filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK, wherein the composition is characterized by: i. a thermal conductivity of at least 1.0 W/mK; and ii. a volume resistivity of at least 10Ohm.cm. Also disclosed are articles and methods of use therefor.

Thermally conductive and electrically insulative polymer compositions containing a low thermally conductive filler and uses thereof

An optical grade article comprises a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising 10 to 25 wt % of a soft block ester unit derived from a Caliphatic dicarboxylic acid or derivative thereof, 34 to 77 wt % of a carbonate unit derived from 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, 0 to 76 wt % of a carbonate unit derived from a dihydroxyaromatic compound not identical to the 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, wherein the weight percentages of soft block ester units, 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine units, and dihydroxyaromatic compound units is 100 weight percent of the monomeric units of the poly(aliphatic ester)-polycarbonate, the refractive index of the thermoplastic composition is greater than 1.590, and the glass transition temperature of the poly(aliphatic ester)-polycarbonate is from 120 to 155&#xb0; C. A camera lens also comprises the poly(aliphatic ester)-polycarbonate.

Transparent articles prepared from thermoplastic compositions having low birefringence

Disclosed herein is a camera lens comprising a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising soft block ester units derived from an alpha, omega Caliphatic dicarboxylic acid or derivative thereof, a dihydroxyaromatic compound, and a carbonate source, wherein the thermoplastic composition has a melt volume rate of 13 to 25 cc/10 min at 250&#xb0; C. and under a load of 1.2 Kg and a dwell time of 6 minutes, according to ASTM D1238-04, and wherein the camera lens has an effective lens area of 0.5 to 100 mm. A method of making the camera lens, and a camera lens comprising a thermoplastic composition comprising a redistribution product of a poly(aliphatic ester)-polycarbonate, are also disclosed.

Transparent articles prepared from thermoplastic compositions having high flow and ductility, and method of preparing articles

A melt polymerized polycarbonate comprising repeat units in the polycarbonate derived from the melt polymerization of monomers (II) and/or (III), monomer (IV), and optionally monomer (VIII), wherein monomers (II) and (III) are diaryl dihydroxy compounds, monomer (IV) is a sterically hindered dihydroxy compound, and monomer (VIII) is a non-sterically hindered dihydroxy diaryl compound; wherein the mole ratio of repeat units in the polycarbonate derived from monomers [(II)+(III)]:(IV):(VIII) is 15-70:1-85:0-50, the sum of the mole percent of repeat units in the polycarbonate derived from monomers [(II)+(III)]+(IV) is greater than or equal to 50 mole %, and the sum of the mole percent of units in the polycarbonate derived from monomers [(II)+(III)]+(IV)+(VIII) is 100 mole %; and wherein the polycarbonate has an L* value that is at least 1 L* unit value higher than the same polycarbonate in which monomer (IV) is replaced by bisphenol A.

Polycarbonates, compositions made therefrom, methods of manufacture thereof, and articles therefrom

A method of making polycarbonate includes the steps of forming polycarbonate by a melt transesterification method using an activated diaryl carbonate, and compounding the polycarbonate with a phosphorus-containing compound that has an abstractable proton or hydrolyzable group. The phosphorus-containing compound is compounded with the polycarbonate in an amount sufficient to result in an improvement in the color properties of the polycarbonate as compared to pellets formed from the same polycarbonate without addition of the phosphorus-containing compound.

Polycarbonate with reduced color

In various embodiments the present invention comprises 2,4,6-trisubstituted-1,3,5-triazine capping agents comprising one, two, or three leaving groups as substituents with any remaining substituents being essentially inert to reaction with a nucleophilic group on a polymer or monomer, or reactive with a nucleophilic group on a polymer or monomer at a slower rate than any leaving group. The invention also comprises polymers or monomers with nucleophilic groups capped with a triazine moiety. Still other embodiments of the invention comprise processes for capping nucleophilic groups in a polymer or monomer which comprises combining and reacting the polymer or monomer with a triazine-comprising capping agent.

Triazine compounds, polymers comprising triazine structural units, and method

Windows and other articles made from dimethyl bisphenol cyclohexane (DMBPC) polycarbonate exhibit enhanced scratch resistance properties and Mw degradation resistance properties as compared to traditional polycarbonates. Such windows and other articles made from DMBPC polycarbonate can be used in various applications including buildings, particularly in agricultural environments and in electronic devices.

Windows and other articles made from DMBPC polycarbonate homopolymer and copolymer

A process for the production of polycarbonate having increased end-cap levels, the process comprising adding a terminal blocking agent of the formula: 

Process for the production of polycarbonate

Alkyl ester end-capped polycarbonates have improved release properties and may be produced by a method comprising the step of combining a polycarbonate having free terminal OH groups with an end-capping reagent comprising a symmetrical activated carbonate and an alkyl ester, whereby the end-capping reagent reacts with at least some of the free hydroxyl end groups of the polycarbonate to produce an end-capped polycarbonate comprising optionally substituted aliphatic ester end groups.

Method for incorporating alkyl ester endgroups to improve the release properties of melt polycarbonate

A method for preparing a polycarbonate comprises preparing a free hydroxyl-containing polycarbonate and reacting the hydroxyl-containing polycarbonate with a mixture of (B) a symmetrical optionally activated aromatic carbonic acid diester and (C) an optionally substituted aromatic hihydroxy compound, diol or diacid. A copolymerization reagent comprises a mixture of (B) a symmetrical optionally activated aromatic carbonic acid diester and (C) an optionally substituted aromatic hihydroxy compound, diol or diacid. A copolymer comprises &lsqb;polycarbonate&rsqb; moieties; (B) &lsqb;symmetrical optionally activated aromatic carbonic acid diester&rsqb; moieties and (C) &lsqb;optionally substituted aromatic hihydroxy compound, diol or diacid&rsqb; moieties, wherein x, y and z are mole percents of the copolymer.

Method and system for preparing a polycarbonate, copolymerization reagent and polycarbonate

Method for end-capping polycarbonate resins and composition for use in same

A method for end-capping polycarbonate resins, comprising the step of processing a mixture comprising a polycarbonate having free hydroxyl-end groups and an end-capping reagent in a melt transesterification reaction to produce a polycarbonate resin, wherein the end-capping reagent comprises a mixture of: (a) at least one species of a symmetrical activated aromatic carbonate, and (b) at least one species of an optionally-substituted phenol, whereby said end-capping reagent reacts with at least some of the free hydroxyl end-groups of the polycarbonate to produce an end-capped polycarbonate resin.

Growing community of inventors

Bergen op Zoom, Netherlands

Dennis Karlik